<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<link rel="stylesheet" href="style.css"/>
	</head>
	<body>
		<table border="1">
			<tr>
				<th rowspan="3">表格标题</th>
				<th id="标题一">表格标题</th>
				<th class="绿色标题">表格标题</th>
			</tr>
		</table>
		
	</body>
</html>